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Reki Kardiman
State University of Padang
Education Languange, Linguistic, Communication & Media Other

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Respon Morfologi Daun Samawuang (Pangium edule Reinw.) pada Kondisi Lingkungan yang Berbeda Syerina Febriani; Vauzia; Filza Yulina Ade; Reki Kardiman
Jurnal Biogenerasi Vol. 11 No. 3 (2026): Juli - September 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/tnep3757

Abstract

Samawuang (Pangium edule Reinw.) is a tree that has economic value and potential as a food source, but its existence is decreasing due to lack of cultivation and changes in environmental conditions. Environmental factors such as altitude, temperature, humidity, rainfall, and soil conditions are known to affect plant growth, especially in leaf organs that are sensitive to environmental changes. Based on this, a study was conducted to investigate the morphological response of samawuang leaves under different environmental conditions. The study was conducted from December 2025 to January 2026 in two locations, namely Dharmasraya (131 mdpl) and Solok (409–467 mdpl). The method used was descriptive research with a quantitative approach by taking 20 leaf samples at each location which were analyzed using a t-test at a significance level of 5%. Parameters observed included leaf length, leaf width, leaf stalk length, and number of leaf veins. The results showed that there were significant differences in leaf length and width between the two locations. The average leaf length in Dharmasraya was higher at 41.20 cm compared to Solok at 30.20 cm, while the average leaf width in Dharmasraya was 34.05 cm higher than Solok at 25.71 cm. Meanwhile, the length of the leaf stalk and the number of leaf veins did not show significant differences. This study shows that Pangium edule R. has significant variations in leaf morphology adaptation to different environmental conditions.
ANALISIS VEGETASI DI KAWASAN HUTAN NAGARI SIMPANG KAPUAK KECAMATAN MUNGKA KABUPATEN LIMA PULUH KOTA SUMATERA BARAT Atikah R; Irma Leilani Eka Putri; Reki Kardiman; Filza Yulina Ade
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/pbcq3z65

Abstract

The Simpang Kapuak Village Forest, located in Mungka Subdistrict, Lima Puluh Kota Regency, is a forest area that plays a role in maintaining environmental balance and supporting the livelihoods of the surrounding communities. This area possesses a high level of biodiversity, making the structure of its forest community a valuable starting point for long-term management and conservation. Therefore, it is important to understand the structure and composition of the vegetation in the Simpang Kapuak Village Forest, Mungka Subdistrict, Lima Puluh Kota Regency. This study is a quantitative descriptive study. The was conducted in the Simpang Kapuak Village Forest, Mungka Subdistrict, Lima Puluh Kota Regency. Data collection was carried out using the single-plot method across 5 plots. Each plot consists of 4 subplots corresponding to the stand size, namely 2 x 2 m (seedlings), 5 x 5 m (saplings), 10 x 10 m (mature trees), and 20 x 20 m (large trees). The research data were analyzed to determine the Importance Value Index (IVI) of the species. The results of the study indicate that there are 27 species belonging to 16 families. The highest Importance Value Index (IVI) was recorded for Syzygium chloranthum at the tree level (134.25%), followed by Litsea grandis at the pole level (144.92%), Syzygium chloranthum at the sapling level (82.97%), and Synedrella nodiflora at the seedling level (32.02%).
ANALISIS STRUKTUR DAN KOMPOSISI VEGETASI PADA HUTAN KELOLA MASYARAKATAN (HKM) HARAPAN JAYA BATU AMPAR, NAGARI PANTI, KECAMATAN PANTI, KABUPATEN PASAMAN TIMUR, SUMATRA BARAT Tiara Dwi Ananda; Irma Leilani Eka Putri; Reki Kardiman; Filza Yulina Ade; Azwir Anhar; Ryan Thanoesya; Bayu Riangga Hanafi
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/wnjzjz31

Abstract

Vegetation structure refers to the stratification of plant growth stages within an ecosystem, which are generally classified into seedling, sapling, pole, and tree levels. Analysis of plant composition aims to identify plant species present in a forest area. This study aimed to determine the vegetation structure and plant composition in the Community Forest Management (HKM) area of Harapan Jaya Batu Ampar, Nagari Panti, Panti District, East Pasaman Regency, West Sumatra. The research employed a nested quadrat method with plots placed randomly, consisting of 10 plots adjusted to the field conditions at the study site. The results showed that the 2 × 2 m and 5 × 5 m plots were dominated by the family Rubiaceae, with Coffea robusta as the most abundant species. The 10 × 10 m plots were dominated by the family Lauraceae, with Litsea sp. as the dominant species. Meanwhile, the 20 × 20 m plots were dominated by the family Fagaceae, with Lithocarpus elegans recorded as the main species. These findings provide preliminary data for understanding the vegetation structure in the Community Forest Management (HKM) area of Harapan Jaya Batu Ampar, Nagari Panti, Panti District, East Pasaman Regency, West Sumatra
JENIS DAN MANFAAT TUMBUHAN PESISIR PANTAI KABUPATEN PADANG PARIAMAN BAGIAN SELATAN DAN KOTA PARIAMAN SUMATERA BARAT Mella Alfianita Sari; Reki Kardiman
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/d187aa18

Abstract

Coastal areas are ecosystems that characterized by high salinity, strong winds, and nutrient-poor soils, thus supporting only certain plant species with important ecological and economic roles. This study aimed to identify the species and utilization of coastal plants in the southern part of Padang Pariaman Regency and Pariaman City, West Sumatra. The research was conducted from September to December 2025 using a descriptive survey method through field observations, sample collection, and interviews with 60 respondents. The results showed that 24 species of coastal plants belonging to 16 families were identified, dominated by trees and shrubs. These plants are utilized as traditional medicine, food sources, building materials, household industries, tools, and ornamental plants. Cocos nucifera had the highest use value. Coastal plants play an important role in fulfilling community needs; therefore, sustainable management and conservation based on local wisdom are necessary.
JENIS DAN MANFAAT TUMBUHAN PESISIR PASIR JAMBAK, KELURAHAN PASIR NAN TIGO, KECAMATAN KOTO TANGAH, KOTA PADANG Nurul Fathya; Reki Kardiman; Filza Yulina Ade
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/mahb1z52

Abstract

Coastal areas are ecosystems that have diverse plants with potential uses for local communities. This utilization is important to document as a basis for managing biological resources and preserving ethnobotanical knowledge based on local wisdom. This study aims to identify coastal plant species and analyze their utilization by the community in the Pasir Jambak Beach area, Padang City. This study used a descriptive method through field observations, specimen collection, and semi-structured interviews. The results showed that there were 26 plant species from 18 families utilized by the Pasir Jambak community. These species consist of 13 tree habitus, 10 shrubs, 3 herbs, and 1 palm group. Plant utilization is dominated as traditional medicine and food ingredients. The plant with the highest utilization value (Use Value) is coconut (Cocos nucifera) at 0.1 and the species with the lowest UV value is Dendrocnide stimulans with a UV value of zero. These results indicate that coastal plants have important potential in supporting community life and need to be preserved sustainably
Co-Authors Atikah R Azwir Anhar Bayu Riangga Hanafi Filza Yulina Ade Irma Leilani Eka Putri Mella Alfianita Sari Nurul Fathya Ryan Thanoesya Syerina Febriani Tiara Dwi Ananda Vauzia